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Raw keyboard and mouse input for WIN32

This commit is contained in:
gingerBill 2016-05-23 00:22:54 +01:00
parent c936b3abff
commit 04cf4a278e
2 changed files with 371 additions and 271 deletions
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2
README.md
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@ -4,7 +4,7 @@ gb single-file public domain libraries for C & C++
library | latest version | category | description
----------------|----------------|----------|-------------
**gb.h** | 0.17d | misc | Helper library (Standard library _improvement_)
**gb.h** | 0.18 | misc | Helper library (Standard library _improvement_)
**gb_math.h** | 0.06e | math | Vector math library geared towards game development
**gb_gl.h** | 0.04e | graphics | OpenGL Helper Library
**gb_string.h** | 0.95a | strings | A better string library (this is built into gb.h too with custom allocator support!)

640
gb.h
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@ -1,4 +1,4 @@
/* gb.h - v0.17d - Ginger Bill's C Helper Library - public domain
/* gb.h - v0.18 - Ginger Bill's C Helper Library - public domain
- no warranty implied; use at your own risk
This is a single header file with a bunch of useful stuff
@ -37,6 +37,7 @@ Conventions used:
Version History:
0.18 - Raw keyboard and mouse input for WIN32
0.17d - Fixed printf bug for strings
0.17c - Compile as 32 bit
0.17b - Change formating style because why not?
@ -633,6 +634,14 @@ extern "C++" {
#define gb_is_between(x, lower, upper) (((x) >= (lower)) && ((x) <= (upper)))
#endif
/* NOTE(bill): Very useful bit setting */
#ifndef GB_MASK_TOGGLE
#define GB_MASK_TOGGLE(var, set, mask) do { \
if (set) (var) |= mask; \
else (var) &= ~mask; \
} while (0)
#endif
// NOTE(bill): Some compilers support applying printf-style warnings to user functions.
#if defined(__clang__) || defined(__GNUC__)
@ -1857,7 +1866,7 @@ typedef enum gbFileFlag {
GB_FILE_RW = GB_BIT(3)
} gbFileFlag;
// TODO(bill): Is seek a silly idea?
// NOTE(bill): Only used internally and for the file operations
typedef enum gbSeekWhence {
GB_SEEK_BEGIN = 0,
GB_SEEK_CURRENT = 1,
@ -1937,11 +1946,13 @@ GB_DEF b32 gb_file_read_at_check (gbFile *file, void *buffer, isize size
GB_DEF b32 gb_file_write_at_check(gbFile *file, void const *buffer, isize size, i64 offset, isize *bytes_written);
GB_DEF b32 gb_file_read_at (gbFile *file, void *buffer, isize size, i64 offset);
GB_DEF b32 gb_file_write_at (gbFile *file, void const *buffer, isize size, i64 offset);
GB_DEF i64 gb_file_seek (gbFile *file, i64 offset, gbSeekWhence whence);
GB_DEF i64 gb_file_seek (gbFile *file, i64 offset);
GB_DEF i64 gb_file_seek_to_end (gbFile *file);
GB_DEF i64 gb_file_skip (gbFile *file, i64 bytes); // NOTE(bill): Skips a certain amount of bytes
GB_DEF i64 gb_file_tell (gbFile *file);
GB_DEF gbFileError gb_file_close (gbFile *file);
GB_DEF b32 gb_file_read (gbFile *file, void *buffer, isize size);
GB_DEF b32 gb_file_write (gbFile *file, void const *buffer, isize size);
GB_DEF i64 gb_file_tell (gbFile *file);
GB_DEF i64 gb_file_size (gbFile *file);
GB_DEF char const *gb_file_name (gbFile *file);
GB_DEF gbFileError gb_file_truncate (gbFile *file, i64 size);
@ -2111,6 +2122,12 @@ gb_global gbColour const GB_COLOUR_MAGENTA = {0xffff00ff};
#if defined(GB_PLATFORM)
// NOTE(bill):
// Coordiate system - +ve x - left to right
// - +ve y - top to bottom
// - Relative to window
#if defined(GB_SYSTEM_WINDOWS)
#include <xinput.h>
#ifndef XUSER_MAX_COUNT
@ -2160,9 +2177,7 @@ typedef struct gbWindow {
union {
struct {
#if defined(GB_SYSTEM_WINDOWS)
HGLRC win32_context;
#endif
void *context;
} opengl;
struct {
@ -2278,6 +2293,8 @@ typedef enum gbKeyType {
GB_KEY_NUMPAD7, // Numpad 7
GB_KEY_NUMPAD8, // Numpad 8
GB_KEY_NUMPAD9, // Numpad 9
GB_KEY_NUMPAD_DOT, // Numpad .
GB_KEY_NUMPAD_ENTER, // Numpad Enter
GB_KEY_F1, // F1
GB_KEY_F2, // F2
GB_KEY_F3, // F3
@ -2298,13 +2315,17 @@ typedef enum gbKeyType {
GB_KEY_COUNT
} gbKeyType;
typedef u32 gbKeyState; /* TODO(bill): Store anything else? e.g. press time? */
/* TODO(bill): Change name? */
typedef u8 gbKeyState;
typedef enum gbKeyStateType {
GB_KEY_STATE_DOWN = GB_BIT(0),
GB_KEY_STATE_PRESSED = GB_BIT(1),
GB_KEY_STATE_RELEASED = GB_BIT(2)
} gbKeyStateType;
GB_DEF void gb_key_state_update(gbKeyState *s, b32 is_down);
typedef enum gbMouseButton {
GB_MOUSE_BUTTON_LEFT,
GB_MOUSE_BUTTON_MIDDLE,
@ -2317,8 +2338,9 @@ typedef enum gbMouseButton {
typedef struct gbMouse {
i32 x, y;
i32 dx, dy;
b8 buttons[GB_MOUSE_BUTTON_COUNT];
i32 raw_dx, raw_dy; // NOTE(bill): Raw mouse movement
i32 wheel_delta;
gbKeyState buttons[GB_MOUSE_BUTTON_COUNT];
} gbMouse;
@ -2374,6 +2396,9 @@ typedef struct gbPlatform {
gbKeyState shift;
} key_modifiers;
char32 char_buffer[256];
isize char_buffer_count;
gbMouse mouse;
gbGameController game_controllers[GB_MAX_GAME_CONTROLLER_COUNT];
@ -5564,14 +5589,34 @@ gb_inline b32 gb_file_write_at(gbFile *f, void const *buffer, isize size, i64 of
return gb_file_write_at_check(f, buffer, size, offset, NULL);
}
gb_inline i64 gb_file_seek(gbFile *f, i64 offset, gbSeekWhence whence) {
gb_inline i64 gb_file_seek(gbFile *f, i64 offset) {
i64 new_offset = 0;
if (!f->ops) f->ops = &GB_DEFAULT_FILE_OPERATIONS;
f->ops->seek(f->fd, offset, whence, &new_offset);
f->ops->seek(f->fd, offset, GB_SEEK_BEGIN, &new_offset);
return new_offset;
}
gb_inline i64 gb_file_tell (gbFile *f) { return gb_file_seek(f, 0, GB_SEEK_CURRENT); }
gb_inline i64 gb_file_seek_to_end(gbFile *f) {
i64 new_offset = 0;
if (!f->ops) f->ops = &GB_DEFAULT_FILE_OPERATIONS;
f->ops->seek(f->fd, 0, GB_SEEK_END, &new_offset);
return new_offset;
}
// NOTE(bill): Skips a certain amount of bytes
gb_inline i64 gb_file_skip(gbFile *f, i64 bytes) {
i64 new_offset = 0;
if (!f->ops) f->ops = &GB_DEFAULT_FILE_OPERATIONS;
f->ops->seek(f->fd, bytes, GB_SEEK_CURRENT, &new_offset);
return new_offset;
}
gb_inline i64 gb_file_tell(gbFile *f) {
i64 new_offset = 0;
if (!f->ops) f->ops = &GB_DEFAULT_FILE_OPERATIONS;
f->ops->seek(f->fd, 0, GB_SEEK_CURRENT, &new_offset);
return new_offset;
}
gb_inline b32 gb_file_read (gbFile *f, void *buffer, isize size) { return gb_file_read_at(f, buffer, size, gb_file_tell(f)); }
gb_inline b32 gb_file_write(gbFile *f, void const *buffer, isize size) { return gb_file_write_at(f, buffer, size, gb_file_tell(f)); }
@ -5617,8 +5662,8 @@ gb_inline b32 gb_file_has_changed(gbFile *f) {
return result;
}
gb_global b32 gb__std_file_set = false;
// TODO(bill): Is this a bad idea?
gb_global b32 gb__std_file_set = false;
gb_global gbFile gb__std_files[GB_FILE_STANDARD_COUNT] = {0};
@ -5645,10 +5690,10 @@ gb_inline i64 gb_file_size(gbFile *f) {
gbFileError gb_file_truncate(gbFile *f, i64 size) {
gbFileError err = GB_FILE_ERR_NONE;
i64 prev_offset = gb_file_tell(f);
gb_file_seek(f, size, GB_SEEK_BEGIN);
gb_file_seek(f, size);
if (!SetEndOfFile(f))
err = GB_FILE_ERR_TRUNCATION_FAILURE;
gb_file_seek(f, prev_offset, GB_SEEK_BEGIN);
gb_file_seek(f, prev_offset);
return err;
}
@ -5678,9 +5723,9 @@ gb_inline gbFile *const gb_file_get_standard(gbFileStandardType std) {
gb_inline i64 gb_file_size(gbFile *f) {
i64 size = 0;
i64 prev_offset = gb_file_tell(f);
gb_file_seek(f, 0, GB_SEEK_END);
gb_file_seek_to_end(f);
size = gb_file_tell(f);
gb_file_seek(f, prev_offset, GB_SEEK_BEGIN);
gb_file_seek(f, prev_offset);
return size;
}
@ -5963,7 +6008,9 @@ enum {
GB__FMT_UPPER = GB_BIT(14),
GB__FMT_DONE = GB_BIT(30)
GB__FMT_DONE = GB_BIT(30),
GB__FMT_INTS = GB__FMT_CHAR|GB__FMT_SHORT|GB__FMT_INT|GB__FMT_LONG|GB__FMT_LLONG|GB__FMT_SIZE|GB__FMT_INTPTR
};
typedef struct {
@ -5977,9 +6024,8 @@ typedef struct {
gb_internal isize gb__print_string(char *text, isize max_len, gbprivFmtInfo *info, char const *str) {
// TODO(bill): Get precision and width to work correctly. How does it actually work?!
// TODO(bill): This looks very buggy indeed.
// TODO(bill): Actually use `max_len` !!!!
isize res = 0, len;
gb_unused(max_len);
isize remaining = max_len;
if (info && info->precision >= 0)
len = gb_strnlen(str, info->precision);
@ -5995,14 +6041,14 @@ gb_internal isize gb__print_string(char *text, isize max_len, gbprivFmtInfo *inf
if (info->width > res) {
isize padding = info->width - len;
char pad = (info->flags & GB__FMT_ZERO) ? '0' : ' ';
while (padding --> 0)
while (padding --> 0 && remaining --> 0)
*text++ = pad, res++;
}
} else {
if (info && (info->width > res)) {
isize padding = info->width - len;
char pad = (info->flags & GB__FMT_ZERO) ? '0' : ' ';
while (padding --> 0)
while (padding --> 0 && remaining --> 0)
*text++ = pad, res++;
}
@ -6130,7 +6176,7 @@ gb_internal isize gb__print_f64(char *text, isize max_len, gbprivFmtInfo *info,
gb_no_inline isize gb_snprintf_va(char *text, isize max_len, char const *fmt, va_list va) {
char const *text_begin = text;
isize remaining = max_len;
isize remaining = max_len, res;
while (*fmt) {
gbprivFmtInfo info = {0};
@ -6267,39 +6313,29 @@ gb_no_inline isize gb_snprintf_va(char *text, isize max_len, char const *fmt, va
if (info.base != 0) {
if (info.flags & GB__FMT_UNSIGNED) {
u64 value = 0;
if (info.flags & GB__FMT_CHAR)
value = cast(u64)cast(u8)va_arg(va, int);
else if (info.flags & GB__FMT_SHORT)
value = cast(u64)cast(u16)va_arg(va, int);
else if (info.flags & GB__FMT_LONG)
value = cast(u64)va_arg(va, unsigned long);
else if (info.flags & GB__FMT_LLONG)
value = cast(u64)va_arg(va, unsigned long long);
else if (info.flags & GB__FMT_SIZE)
value = cast(u64)va_arg(va, usize);
else if (info.flags & GB__FMT_INTPTR)
value = cast(u64)va_arg(va, uintptr);
else
value = cast(u64)va_arg(va, int);
switch (info.flags & GB__FMT_INTS) {
case GB__FMT_CHAR: value = cast(u64)cast(u8) va_arg(va, int); break;
case GB__FMT_SHORT: value = cast(u64)cast(u16)va_arg(va, int); break;
case GB__FMT_LONG: value = cast(u64)va_arg(va, unsigned long); break;
case GB__FMT_LLONG: value = cast(u64)va_arg(va, unsigned long long); break;
case GB__FMT_SIZE: value = cast(u64)va_arg(va, usize); break;
case GB__FMT_INTPTR: value = cast(u64)va_arg(va, uintptr); break;
default: value = cast(u64)va_arg(va, unsigned int); break;
}
len = gb__print_u64(text, remaining, &info, value);
} else {
i64 value = 0;
if (info.flags & GB__FMT_CHAR)
value = cast(i64)cast(i8)va_arg(va, int);
else if (info.flags & GB__FMT_SHORT)
value = cast(i64)cast(i16)va_arg(va, int);
else if (info.flags & GB__FMT_LONG)
value = cast(i64)va_arg(va, long);
else if (info.flags & GB__FMT_LLONG)
value = cast(i64)va_arg(va, long long);
else if (info.flags & GB__FMT_SIZE)
value = cast(i64)va_arg(va, isize);
else if (info.flags & GB__FMT_INTPTR)
value = cast(i64)va_arg(va, intptr);
else
value = cast(i64)va_arg(va, int);
switch (info.flags & GB__FMT_INTS) {
case GB__FMT_CHAR: value = cast(i64)cast(i8) va_arg(va, int); break;
case GB__FMT_SHORT: value = cast(i64)cast(i16)va_arg(va, int); break;
case GB__FMT_LONG: value = cast(i64)va_arg(va, long); break;
case GB__FMT_LLONG: value = cast(i64)va_arg(va, long long); break;
case GB__FMT_SIZE: value = cast(i64)va_arg(va, usize); break;
case GB__FMT_INTPTR: value = cast(i64)va_arg(va, uintptr); break;
default: value = cast(i64)va_arg(va, int); break;
}
len = gb__print_i64(text, remaining, &info, value);
}
@ -6314,11 +6350,8 @@ gb_no_inline isize gb_snprintf_va(char *text, isize max_len, char const *fmt, va
}
*text++ = '\0';
{
isize res = (text - text_begin);
return (res >= max_len || res < 0) ? -1 : res;
}
res = (text - text_begin);
return (res >= max_len || res < 0) ? -1 : res;
}
@ -6642,6 +6675,14 @@ gb_inline gbColour gb_colour(f32 r, f32 g, f32 b, f32 a) {
#if defined(GB_PLATFORM)
gb_inline void gb_key_state_update(gbKeyState *s, b32 is_down) {
b32 was_down = (*s & GB_KEY_STATE_DOWN) != 0;
GB_MASK_TOGGLE(*s, is_down, GB_KEY_STATE_DOWN);
GB_MASK_TOGGLE(*s, !was_down && is_down, GB_KEY_STATE_PRESSED);
GB_MASK_TOGGLE(*s, was_down && !is_down, GB_KEY_STATE_RELEASED);
}
#if defined(GB_SYSTEM_WINDOWS)
GB_XINPUT_GET_STATE(gbXInputGetState_Stub) {
@ -6656,15 +6697,8 @@ GB_XINPUT_SET_STATE(gbXInputSetState_Stub) {
gb_internal gb_inline void gb__process_xinput_digital_button(DWORD xinput_button_state, DWORD button_bit,
gbKeyState *button) {
b32 was_down = (*button & GB_KEY_STATE_DOWN) != 0;
b32 is_down = ((xinput_button_state & button_bit) == button_bit);
#define GB__BUTTON_SET(test, state) \
if (test) *button |= state; \
else *button &= ~state
GB__BUTTON_SET(is_down, GB_KEY_STATE_DOWN);
GB__BUTTON_SET(!was_down && is_down, GB_KEY_STATE_PRESSED);
GB__BUTTON_SET( was_down && !is_down, GB_KEY_STATE_RELEASED);
#undef GB__BUTTON_SET
gb_key_state_update(button, is_down);
}
gb_internal gb_inline f32 gb__process_xinput_stick_value(SHORT value, SHORT dead_zone_threshold) {
@ -6742,11 +6776,254 @@ void gb_platform_init(gbPlatform *p) {
gb_zero_array(p->keys, gb_count_of(p->keys));
}
gb_internal gbKeyType gb__win32_from_vk(UINT key) {
// NOTE(bill): Letters and numbers are defined the same for VK_* and GB_*
if (key >= 'A' && key < 'Z') return cast(gbKeyType)key;
if (key >= '0' && key < '9') return cast(gbKeyType)key;
switch (key) {
case VK_ESCAPE: return GB_KEY_ESCAPE;
case VK_LCONTROL: return GB_KEY_LCONTROL;
case VK_LSHIFT: return GB_KEY_LSHIFT;
case VK_LMENU: return GB_KEY_LALT;
case VK_LWIN: return GB_KEY_LSYSTEM;
case VK_RCONTROL: return GB_KEY_RCONTROL;
case VK_RSHIFT: return GB_KEY_RSHIFT;
case VK_RMENU: return GB_KEY_RALT;
case VK_RWIN: return GB_KEY_RSYSTEM;
case VK_MENU: return GB_KEY_MENU;
case VK_OEM_4: return GB_KEY_LBRACKET;
case VK_OEM_6: return GB_KEY_RBRACKET;
case VK_OEM_1: return GB_KEY_SEMICOLON;
case VK_OEM_COMMA: return GB_KEY_COMMA;
case VK_OEM_PERIOD: return GB_KEY_PERIOD;
case VK_OEM_7: return GB_KEY_QUOTE;
case VK_OEM_2: return GB_KEY_SLASH;
case VK_OEM_5: return GB_KEY_BACKSLASH;
case VK_OEM_3: return GB_KEY_GRAVE;
case VK_OEM_PLUS: return GB_KEY_EQUALS;
case VK_OEM_MINUS: return GB_KEY_MINUS;
case VK_SPACE: return GB_KEY_SPACE;
case VK_RETURN: return GB_KEY_RETURN;
case VK_BACK: return GB_KEY_BACKSPACE;
case VK_TAB: return GB_KEY_TAB;
case VK_PRIOR: return GB_KEY_PAGEUP;
case VK_NEXT: return GB_KEY_PAGEDOWN;
case VK_END: return GB_KEY_END;
case VK_HOME: return GB_KEY_HOME;
case VK_INSERT: return GB_KEY_INSERT;
case VK_DELETE: return GB_KEY_DELETE;
case VK_ADD: return GB_KEY_PLUS;
case VK_SUBTRACT: return GB_KEY_SUBTRACT;
case VK_MULTIPLY: return GB_KEY_MULTIPLY;
case VK_DIVIDE: return GB_KEY_DIVIDE;
case VK_LEFT: return GB_KEY_LEFT;
case VK_RIGHT: return GB_KEY_RIGHT;
case VK_UP: return GB_KEY_UP;
case VK_DOWN: return GB_KEY_DOWN;
case VK_NUMPAD0: return GB_KEY_NUMPAD0;
case VK_NUMPAD1: return GB_KEY_NUMPAD1;
case VK_NUMPAD2: return GB_KEY_NUMPAD2;
case VK_NUMPAD3: return GB_KEY_NUMPAD3;
case VK_NUMPAD4: return GB_KEY_NUMPAD4;
case VK_NUMPAD5: return GB_KEY_NUMPAD5;
case VK_NUMPAD6: return GB_KEY_NUMPAD6;
case VK_NUMPAD7: return GB_KEY_NUMPAD7;
case VK_NUMPAD8: return GB_KEY_NUMPAD8;
case VK_NUMPAD9: return GB_KEY_NUMPAD9;
case VK_SEPARATOR: return GB_KEY_NUMPAD_ENTER;
case VK_DECIMAL: return GB_KEY_NUMPAD_DOT;
case VK_F1: return GB_KEY_F1;
case VK_F2: return GB_KEY_F2;
case VK_F3: return GB_KEY_F3;
case VK_F4: return GB_KEY_F4;
case VK_F5: return GB_KEY_F5;
case VK_F6: return GB_KEY_F6;
case VK_F7: return GB_KEY_F7;
case VK_F8: return GB_KEY_F8;
case VK_F9: return GB_KEY_F9;
case VK_F10: return GB_KEY_F10;
case VK_F11: return GB_KEY_F11;
case VK_F12: return GB_KEY_F12;
case VK_F13: return GB_KEY_F13;
case VK_F14: return GB_KEY_F14;
case VK_F15: return GB_KEY_F15;
case VK_PAUSE: return GB_KEY_PAUSE;
}
return GB_KEY_UNKNOWN;
}
LRESULT CALLBACK gb__win32_window_callback(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam) {
// NOTE(bill): Silly callbacks
gbPlatform *platform = cast(gbPlatform *)GetWindowLongPtr(wnd, GWLP_USERDATA);
gbWindow *window = platform ? &platform->window : NULL;
b32 window_has_focus = (platform != NULL) && (window->flags & GB_WINDOW_HAS_FOCUS) != 0;
// TODO(bill): Do more in here?
switch (msg) {
case WM_CLOSE:
case WM_DESTROY:
if (platform)
window->flags |= GB_WINDOW_IS_CLOSED;
return 0;
case WM_UNICHAR:
if (window_has_focus) {
if (wParam == '\r')
wParam = '\n';
// TODO(bill): Does this need to be thread-safe?
platform->char_buffer[platform->char_buffer_count++] = cast(char32)wParam;
}
break;
case WM_MOUSEWHEEL: {
i32 delta = GET_WHEEL_DELTA_WPARAM(wParam);
platform->mouse.wheel_delta = delta;
} break;
case WM_CREATE: {
// NOTE(bill): https://msdn.microsoft.com/en-us/library/windows/desktop/ms645536(v=vs.85).aspx
RAWINPUTDEVICE rid[2] = {0};
// NOTE(bill): Keyboard
rid[0].usUsagePage = 0x01;
rid[0].usUsage = 0x06;
rid[0].dwFlags = RIDEV_NOLEGACY; // NOTE(bill): Do not generate legacy messages such as WM_KEYDOWN
rid[0].hwndTarget = wnd;
// NOTE(bill): Mouse
rid[1].usUsagePage = 0x01;
rid[1].usUsage = 0x02;
rid[1].dwFlags = 0; // NOTE(bill): adds HID mouse and also allows legacy mouse messages to allow for window movement etc.
rid[1].hwndTarget = wnd;
if (!RegisterRawInputDevices(rid, gb_count_of(rid), gb_size_of(rid[0]))) {
GB_PANIC("Failed to initialize raw input device for win32.");
}
} break;
case WM_INPUT: {
RAWINPUT raw = {0};
UINT size = gb_size_of(RAWINPUT);
GetRawInputData(cast(HRAWINPUT)lParam, RID_INPUT, &raw, &size, gb_size_of(RAWINPUTHEADER));
switch (raw.header.dwType) {
case RIM_TYPEKEYBOARD: {
// NOTE(bill): Many thanks to https://blog.molecular-matters.com/2011/09/05/properly-handling-keyboard-input/
// for the
RAWKEYBOARD *raw_kb = &raw.data.keyboard;
UINT vk = raw_kb->VKey;
UINT scan_code = raw_kb->MakeCode;
UINT flags = raw_kb->Flags;
// NOTE(bill): e0 and e1 are escape sequences used for certain special keys, such as PRINT and PAUSE/BREAK.
// NOTE(bill): http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html
b32 is_e0 = (flags & RI_KEY_E0) != 0;
b32 is_e1 = (flags & RI_KEY_E1) != 0;
b32 is_up = (flags & RI_KEY_BREAK) != 0;
b32 is_down = !is_up;
// TODO(bill): Should I handle scan codes?
if (vk == 255) {
// NOTE(bill): Discard "fake keys"
return 0;
} else if (vk == VK_SHIFT) {
// NOTE(bill): Correct left/right shift
vk = MapVirtualKey(scan_code, MAPVK_VSC_TO_VK_EX);
} else if (vk == VK_NUMLOCK) {
// NOTE(bill): Correct PAUSE/BREAK and NUM LOCK and set the extended bit
scan_code = MapVirtualKey(vk, MAPVK_VK_TO_VSC) | 0x100;
}
if (is_e1) {
// NOTE(bill): Escaped sequences, turn vk into the correct scan code
// except for VK_PAUSE (it's a bug)
if (vk == VK_PAUSE)
scan_code = 0x45;
else
scan_code = MapVirtualKey(vk, MAPVK_VK_TO_VSC);
}
switch (vk) {
case VK_CONTROL: vk = (is_e0) ? VK_RCONTROL : VK_LCONTROL; break;
case VK_MENU: vk = (is_e0) ? VK_RMENU : VK_LMENU; break;
case VK_RETURN: if (is_e0) vk = VK_SEPARATOR; break; // NOTE(bill): Numpad return
case VK_DELETE: if (!is_e0) vk = VK_DECIMAL; break; // NOTE(bill): Numpad dot
case VK_INSERT: if (!is_e0) vk = VK_NUMPAD0; break;
case VK_HOME: if (!is_e0) vk = VK_NUMPAD7; break;
case VK_END: if (!is_e0) vk = VK_NUMPAD1; break;
case VK_PRIOR: if (!is_e0) vk = VK_NUMPAD9; break;
case VK_NEXT: if (!is_e0) vk = VK_NUMPAD3; break;
// NOTE(bill): The standard arrow keys will always have their e0 bit set, but the
// corresponding keys on the NUMPAD will not.
case VK_LEFT: if (!is_e0) vk = VK_NUMPAD4; break;
case VK_RIGHT: if (!is_e0) vk = VK_NUMPAD6; break;
case VK_UP: if (!is_e0) vk = VK_NUMPAD8; break;
case VK_DOWN: if (!is_e0) vk = VK_NUMPAD2; break;
// NUMPAD 5 doesn't have its e0 bit set
case VK_CLEAR: if (!is_e0) vk = VK_NUMPAD5; break;
}
// NOTE(bill): Set appropriate key state flags
gb_key_state_update(&platform->keys[gb__win32_from_vk(vk)], is_down);
} break;
case RIM_TYPEMOUSE: {
RAWMOUSE *raw_mouse = &raw.data.mouse;
USHORT flags = raw_mouse->usFlags;
LONG dx = raw_mouse->lLastX;
LONG dy = raw_mouse->lLastY;
USHORT button_flags = raw_mouse->usButtonFlags;
platform->mouse.raw_dx = dx;
platform->mouse.raw_dy = dy;
} break;
}
} break;
default: break;
}
return DefWindowProcW(wnd, msg, wParam, lParam);
}
void gb_platform_update(gbPlatform *p) {
isize i;
{ // NOTE(bill): Set window state
{ // NOTE(bill): Process pending messages
MSG message;
for (;;) {
BOOL is_okay = PeekMessage(&message, 0, 0, 0, PM_REMOVE);
if (!is_okay) break;
switch (message.message) {
case WM_QUIT:
p->quit_requested = true;
break;
default:
TranslateMessage(&message);
DispatchMessageW(&message);
break;
}
}
}
{ // NOTE(bill): Set window state]
// TODO(bill): Should this be moved to gb__win32_window_callback ?
RECT window_rect;
i32 x, y, w, h;
@ -6767,26 +7044,14 @@ void gb_platform_update(gbPlatform *p) {
p->window.width = w;
p->window.height = h;
if (GetFocus() == cast(HWND)p->window.handle)
p->window.flags |= GB_WINDOW_HAS_FOCUS;
else
p->window.flags &= ~GB_WINDOW_HAS_FOCUS;
{
b32 is_minimized = IsIconic(cast(HWND)p->window.handle) != 0;
if (is_minimized)
p->window.flags |= GB_WINDOW_MINIMIZED;
else
p->window.flags &= ~GB_WINDOW_MINIMIZED;
}
GB_MASK_TOGGLE(p->window.flags, GetFocus() == cast(HWND)p->window.handle, GB_WINDOW_HAS_FOCUS);
GB_MASK_TOGGLE(p->window.flags, IsIconic(cast(HWND)p->window.handle) != 0, GB_WINDOW_MINIMIZED);
}
{ // NOTE(bill): Set mouse pos
{ // NOTE(bill): Set mouse position
POINT mouse_pos;
GetCursorPos(&mouse_pos);
ScreenToClient(cast(HWND)p->window.handle, &mouse_pos);
p->mouse.dx = mouse_pos.x - p->mouse.x;
p->mouse.dy = mouse_pos.y - p->mouse.y;
p->mouse.x = mouse_pos.x;
p->mouse.y = mouse_pos.y;
}
@ -6799,136 +7064,16 @@ void gb_platform_update(gbPlatform *p) {
VK_XBUTTON1,
VK_XBUTTON2,
};
for (i = 0; i < GB_MOUSE_BUTTON_COUNT; i++)
p->mouse.buttons[i] = GetKeyState(win_button_id[i]) < 0;
for (i = 0; i < GB_MOUSE_BUTTON_COUNT; i++) {
// NOTE(bill): Needs to be Async in this case
b32 is_down = GetAsyncKeyState(win_button_id[i]) < 0;
gb_key_state_update(&p->mouse.buttons[i], is_down);
}
}
// NOTE(bill): Set Key states
if (p->window.flags & GB_WINDOW_HAS_FOCUS) {
#define GB_KEY_STATE_SET(platform, test, state) \
if (test) p->keys[platform] |= state; \
else p->keys[platform] &= ~state
#define GB__KEY_SET(platform, vk) do { \
b32 was_down = (p->keys[platform] & GB_KEY_STATE_DOWN) != 0; \
b32 is_down = GetKeyState(vk) < 0; /* TODO(bill): Should this GetAsyncKeyState or is that overkill? */ \
GB_KEY_STATE_SET(platform, is_down, GB_KEY_STATE_DOWN); \
GB_KEY_STATE_SET(platform, !was_down && is_down, GB_KEY_STATE_PRESSED); \
GB_KEY_STATE_SET(platform, was_down && !is_down, GB_KEY_STATE_RELEASED); \
} while (0)
GB__KEY_SET(GB_KEY_A, 'A');
GB__KEY_SET(GB_KEY_B, 'B');
GB__KEY_SET(GB_KEY_C, 'C');
GB__KEY_SET(GB_KEY_D, 'D');
GB__KEY_SET(GB_KEY_E, 'E');
GB__KEY_SET(GB_KEY_F, 'F');
GB__KEY_SET(GB_KEY_G, 'G');
GB__KEY_SET(GB_KEY_H, 'H');
GB__KEY_SET(GB_KEY_I, 'I');
GB__KEY_SET(GB_KEY_J, 'J');
GB__KEY_SET(GB_KEY_K, 'K');
GB__KEY_SET(GB_KEY_L, 'L');
GB__KEY_SET(GB_KEY_M, 'M');
GB__KEY_SET(GB_KEY_N, 'N');
GB__KEY_SET(GB_KEY_O, 'O');
GB__KEY_SET(GB_KEY_P, 'P');
GB__KEY_SET(GB_KEY_Q, 'Q');
GB__KEY_SET(GB_KEY_R, 'R');
GB__KEY_SET(GB_KEY_S, 'S');
GB__KEY_SET(GB_KEY_T, 'T');
GB__KEY_SET(GB_KEY_U, 'U');
GB__KEY_SET(GB_KEY_V, 'V');
GB__KEY_SET(GB_KEY_W, 'W');
GB__KEY_SET(GB_KEY_X, 'X');
GB__KEY_SET(GB_KEY_Y, 'Y');
GB__KEY_SET(GB_KEY_Z, 'Z');
GB__KEY_SET(GB_KEY_0, '0');
GB__KEY_SET(GB_KEY_1, '1');
GB__KEY_SET(GB_KEY_2, '2');
GB__KEY_SET(GB_KEY_3, '3');
GB__KEY_SET(GB_KEY_4, '4');
GB__KEY_SET(GB_KEY_5, '5');
GB__KEY_SET(GB_KEY_6, '6');
GB__KEY_SET(GB_KEY_7, '7');
GB__KEY_SET(GB_KEY_8, '8');
GB__KEY_SET(GB_KEY_9, '9');
GB__KEY_SET(GB_KEY_ESCAPE, VK_ESCAPE);
GB__KEY_SET(GB_KEY_LCONTROL, VK_LCONTROL);
GB__KEY_SET(GB_KEY_LSHIFT, VK_LSHIFT);
GB__KEY_SET(GB_KEY_LALT, VK_LMENU);
GB__KEY_SET(GB_KEY_LSYSTEM, VK_LWIN);
GB__KEY_SET(GB_KEY_RCONTROL, VK_RCONTROL);
GB__KEY_SET(GB_KEY_RSHIFT, VK_RSHIFT);
GB__KEY_SET(GB_KEY_RALT, VK_RMENU);
GB__KEY_SET(GB_KEY_RSYSTEM, VK_RWIN);
GB__KEY_SET(GB_KEY_MENU, VK_MENU);
GB__KEY_SET(GB_KEY_LBRACKET, VK_OEM_4);
GB__KEY_SET(GB_KEY_RBRACKET, VK_OEM_6);
GB__KEY_SET(GB_KEY_SEMICOLON, VK_OEM_1);
GB__KEY_SET(GB_KEY_COMMA, VK_OEM_COMMA);
GB__KEY_SET(GB_KEY_PERIOD, VK_OEM_PERIOD);
GB__KEY_SET(GB_KEY_QUOTE, VK_OEM_7);
GB__KEY_SET(GB_KEY_SLASH, VK_OEM_2);
GB__KEY_SET(GB_KEY_BACKSLASH, VK_OEM_5);
GB__KEY_SET(GB_KEY_GRAVE, VK_OEM_3);
GB__KEY_SET(GB_KEY_EQUALS, VK_OEM_PLUS);
GB__KEY_SET(GB_KEY_MINUS, VK_OEM_MINUS);
GB__KEY_SET(GB_KEY_SPACE, VK_SPACE);
GB__KEY_SET(GB_KEY_RETURN, VK_RETURN);
GB__KEY_SET(GB_KEY_BACKSPACE, VK_BACK);
GB__KEY_SET(GB_KEY_TAB, VK_TAB);
GB__KEY_SET(GB_KEY_PAGEUP, VK_PRIOR);
GB__KEY_SET(GB_KEY_PAGEDOWN, VK_NEXT);
GB__KEY_SET(GB_KEY_END, VK_END);
GB__KEY_SET(GB_KEY_HOME, VK_HOME);
GB__KEY_SET(GB_KEY_INSERT, VK_INSERT);
GB__KEY_SET(GB_KEY_DELETE, VK_DELETE);
GB__KEY_SET(GB_KEY_PLUS, VK_ADD);
GB__KEY_SET(GB_KEY_SUBTRACT, VK_SUBTRACT);
GB__KEY_SET(GB_KEY_MULTIPLY, VK_MULTIPLY);
GB__KEY_SET(GB_KEY_DIVIDE, VK_DIVIDE);
GB__KEY_SET(GB_KEY_LEFT, VK_LEFT);
GB__KEY_SET(GB_KEY_RIGHT, VK_RIGHT);
GB__KEY_SET(GB_KEY_UP, VK_UP);
GB__KEY_SET(GB_KEY_DOWN, VK_DOWN);
GB__KEY_SET(GB_KEY_NUMPAD0, VK_NUMPAD0);
GB__KEY_SET(GB_KEY_NUMPAD1, VK_NUMPAD1);
GB__KEY_SET(GB_KEY_NUMPAD2, VK_NUMPAD2);
GB__KEY_SET(GB_KEY_NUMPAD3, VK_NUMPAD3);
GB__KEY_SET(GB_KEY_NUMPAD4, VK_NUMPAD4);
GB__KEY_SET(GB_KEY_NUMPAD5, VK_NUMPAD5);
GB__KEY_SET(GB_KEY_NUMPAD6, VK_NUMPAD6);
GB__KEY_SET(GB_KEY_NUMPAD7, VK_NUMPAD7);
GB__KEY_SET(GB_KEY_NUMPAD8, VK_NUMPAD8);
GB__KEY_SET(GB_KEY_NUMPAD9, VK_NUMPAD9);
GB__KEY_SET(GB_KEY_F1, VK_F1);
GB__KEY_SET(GB_KEY_F2, VK_F2);
GB__KEY_SET(GB_KEY_F3, VK_F3);
GB__KEY_SET(GB_KEY_F4, VK_F4);
GB__KEY_SET(GB_KEY_F5, VK_F5);
GB__KEY_SET(GB_KEY_F6, VK_F6);
GB__KEY_SET(GB_KEY_F7, VK_F7);
GB__KEY_SET(GB_KEY_F8, VK_F8);
GB__KEY_SET(GB_KEY_F9, VK_F9);
GB__KEY_SET(GB_KEY_F10, VK_F10);
GB__KEY_SET(GB_KEY_F11, VK_F11);
GB__KEY_SET(GB_KEY_F12, VK_F12);
GB__KEY_SET(GB_KEY_F13, VK_F13);
GB__KEY_SET(GB_KEY_F14, VK_F14);
GB__KEY_SET(GB_KEY_F15, VK_F15);
GB__KEY_SET(GB_KEY_PAUSE, VK_PAUSE);
#undef GB__KEY_SET
#undef GB_KEY_STATE_SET
p->char_buffer_count = 0; // TODO(bill): Reset buffer count here or else where?
p->key_modifiers.control = p->keys[GB_KEY_LCONTROL] | p->keys[GB_KEY_RCONTROL];
p->key_modifiers.alt = p->keys[GB_KEY_LALT] | p->keys[GB_KEY_RALT];
@ -6940,11 +7085,8 @@ void gb_platform_update(gbPlatform *p) {
if (max_controller_count > gb_count_of(p->game_controllers))
max_controller_count = gb_count_of(p->game_controllers);
for (i = 0;
i < max_controller_count;
i++) {
for (i = 0; i < max_controller_count; i++) {
gbGameController *controller = &p->game_controllers[i];
XINPUT_STATE controller_state = {0};
if (p->xinput.get_state(cast(DWORD)i, &controller_state) != ERROR_SUCCESS) {
// NOTE(bill): The controller is not available
@ -7008,32 +7150,10 @@ void gb_platform_update(gbPlatform *p) {
}
}
}
{ // NOTE(bill): Process pending messages
MSG message;
for (;;) {
BOOL is_okay = PeekMessage(&message, 0, 0, 0, PM_REMOVE);
if (!is_okay) break;
switch (message.message) {
case WM_QUIT:
p->quit_requested = true;
break;
default:
TranslateMessage(&message);
DispatchMessageW(&message);
break;
}
}
}
}
void gb_platform_display(gbPlatform *p) {
gbWindow *window;
GB_ASSERT_NOT_NULL(p);
window = &p->window;
gbWindow *window = &p->window;
if (window->flags & GB_WINDOW_OPENGL) {
SwapBuffers(window->win32_dc);
@ -7056,8 +7176,6 @@ void gb_platform_display(gbPlatform *p) {
}
}
void gb_platform_show_cursor(gbPlatform *p, i32 show) {
gb_unused(p);
ShowCursor(show);
@ -7070,42 +7188,19 @@ void gb_platform_set_mouse_position(gbPlatform *p, gbWindow *rel_win, i32 x, i32
ClientToScreen(cast(HWND)rel_win->handle, &point);
SetCursorPos(point.x, point.y);
p->mouse.dx = point.x - p->mouse.x;
p->mouse.dy = point.y - p->mouse.y;
p->mouse.x = point.x;
p->mouse.y = point.y;
p->mouse.x = point.x;
p->mouse.y = point.y;
}
gb_inline gbGameController *gb_platform_get_controller(gbPlatform *p, isize index) {
if (index >= 0 && index < gb_count_of(p->game_controllers))
return p->game_controllers + index;
return NULL;
}
LRESULT CALLBACK gb__win32_main_window_callback(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam) {
LRESULT result = 0;
gbWindow *window = cast(gbWindow *)GetWindowLongPtr(wnd, GWLP_USERDATA);
// TODO(bill): Do more in here?
switch (msg) {
case WM_CLOSE:
case WM_DESTROY:
window->flags |= GB_WINDOW_IS_CLOSED;
break;
default:
result = DefWindowProcW(wnd, msg, wparam, lparam);
break;
}
return result;
}
// TODO(bill): Make this return errors rathern than silly message boxes
gbWindow *gb_window_init(gbPlatform *p, char const *title, gbVideoMode mode, u32 flags) {
gbWindow *window = &p->window;
gbWindow *gb_window_init(gbPlatform *platform, char const *title, gbVideoMode mode, u32 flags) {
gbWindow *window = &platform->window;
WNDCLASSEXW wc = {gb_size_of(WNDCLASSEXW)};
DWORD ex_style, style;
RECT wr;
@ -7114,7 +7209,7 @@ gbWindow *gb_window_init(gbPlatform *p, char const *title, gbVideoMode mode, u32
gb_zero_item(window);
wc.style = CS_HREDRAW | CS_VREDRAW; // | CS_OWNDC
wc.lpfnWndProc = gb__win32_main_window_callback;
wc.lpfnWndProc = gb__win32_window_callback;
wc.hIcon = LoadIcon(NULL, IDI_WINLOGO);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = cast(HBRUSH)GetStockObject(WHITE_BRUSH);
@ -7204,8 +7299,8 @@ gbWindow *gb_window_init(gbPlatform *p, char const *title, gbVideoMode mode, u32
SetPixelFormat(window->win32_dc, ChoosePixelFormat(window->win32_dc, &pfd), NULL);
window->opengl.win32_context = wglCreateContext(window->win32_dc);
wglMakeCurrent(window->win32_dc, window->opengl.win32_context);
window->opengl.context = cast(void *)wglCreateContext(window->win32_dc);
wglMakeCurrent(window->win32_dc, cast(HGLRC)window->opengl.context);
} else if (window->flags & GB_WINDOW_SOFTWARE) {
gb__window_resize_dib_section(window, mode.width, mode.height);
} else {
@ -7214,7 +7309,7 @@ gbWindow *gb_window_init(gbPlatform *p, char const *title, gbVideoMode mode, u32
SetForegroundWindow(cast(HWND)window->handle);
SetFocus(cast(HWND)window->handle);
SetWindowLongPtr(cast(HWND)window->handle, GWLP_USERDATA, cast(LONG_PTR)window);
SetWindowLongPtr(cast(HWND)window->handle, GWLP_USERDATA, cast(LONG_PTR)platform);
window->width = mode.width;
window->height = mode.height;
@ -7224,7 +7319,7 @@ gbWindow *gb_window_init(gbPlatform *p, char const *title, gbVideoMode mode, u32
void gb_window_destroy(gbWindow *w) {
if (w->flags & GB_WINDOW_OPENGL)
wglDeleteContext(w->opengl.win32_context);
wglDeleteContext(cast(HGLRC)w->opengl.context);
else if (w->flags & GB_WINDOW_SOFTWARE)
gb_vm_free(gb_virtual_memory(w->software.memory, w->software.memory_size));
@ -7298,7 +7393,7 @@ void gb_window_toggle_fullscreen(gbWindow *w, b32 fullscreen_desktop) {
gb_inline void gb_window_make_context_current(gbWindow *w) {
if (w->flags & GB_WINDOW_OPENGL) {
wglMakeCurrent(w->win32_dc, w->opengl.win32_context);
wglMakeCurrent(w->win32_dc, cast(HGLRC)w->opengl.context);
}
}
@ -7340,6 +7435,7 @@ isize gb_video_mode_get_fullscreen_modes(gbVideoMode *modes, isize max_mode_coun
return count;
}
#endif
@ -7373,6 +7469,10 @@ GB_COMPARE_PROC(gb_video_mode_dsc_cmp) {
return -gb_video_mode_cmp(a, b);
}
// TODO(bill): OSX Platform Layer
// NOTE(bill): Use this as a guide so there is no need for Obj-C https://github.com/jimon/osx_app_in_plain_c
#endif // GB_PLATFORM